<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>登陆页面</title>
    <link rel="stylesheet" href="css/conmmon.css">
    <link rel="stylesheet" href="css/login.css">
    <script src="js/jquery.min.js"></script>
</head>

<body>
    <!-- 导航栏 -->
    <div class="nav">
        <img src="https://p.qqan.com/up/2020-5/2020052808383986122.jpg" alt="">
        <span class="title">我的博客系统</span>
        <!-- 用来占据中间位置 -->
        <span class="spacer"></span>
        <a href="index.html">主页</a>
        <a href="blog_edit.html">写博客</a>
        <a href="login.html">登陆</a>
        <!-- <a href="#">注销</a> -->
    </div>
    <!-- 版心 -->
    <div class="login-container">
        <!-- 中间的登陆框 -->
        <div class="login-dialog">
            <h3>登陆</h3>
            <div class="row">
                <span>用户名</span>
                <input type="text" id="username">
            </div>
            <div class="row">
                <span>密码</span>
                <input type="password" id="password">
            </div>
            <div class="row">
                <button id="submit" onclick="mySubmit()">提交</button>
            </div>
            <div class="row">
                没有账户？<a  href="reg.html">请先注册！</a>
            </div>
            
        </div>
    </div>

    <script>
        function mySubmit(){
            var username=jQuery("#username");
            var password=jQuery("#password");

            //1.非空校验
            if(jQuery.trim(username.val())==""){
                alert("请先输入用户名");
                username.focus();
                return;
            }
            if(jQuery.trim(password.val())==""){
                alert("请先输入密码");
                password.focus();
                return;
            }

            //请求后端的接口使用 ajax
            jQuery.ajax({
                url:"login",
                type:"POST",
                data:{
                    "username":username.val(),
                    "password":password.val()
                },
                success:function(result){
                    if(result!=null && result.succ==200){
                        if(result.data==1){
                            
                            location.href="myblog_list.html";
                        }else{
                            alert("抱歉，登录失败"+result.msg);
                        }
                    }else{
                        alert("后端程序错误");
                    }
                }

            });
        }
    </script>
</body>

</html>